heat exchanger equipment Articles
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Second law analysis of a crossflow heat exchanger equipped with constructal distributor/collector
In the present study, the experimental results of second law analysis on the heat transfer and hydraulic characteristics of a mini crossflow heat exchanger equipped with constructal distributor/collector are presented. In the experiments, hot and cold water are used as working fluids. Tests are performed for various "distributor-heat-exchanger-collector" configurations at channel Reynolds numbers ...
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Best Practices for Eddy Current Testing of Heat Exchanger Tubes
Eddy current testing (ECT) is one of the best methods of measuring wall thickness and circumferential cracks when testing heat exchanger tubes. But it takes quality instrumentation to capture defects accurately. Heat exchanger tubes are subject to heavy stress due to high-fluid pressure, including expansions and contractions of the tubes themselves. ECT is one of the most ideal inspection ...
By Zetec, Inc
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Preventing product contamination with double tube plate heat exchangers
Ensuring product safety is the number one priority for any producer of pharmaceutical products, and a key aspect of this is avoiding contamination during production. Design and construction plays a key role in achieving this, and the heat exchangers used for processes such as pasteurisation and sterilisation are no exception. There are three main elements to preventing contamination occurring in ...
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How to avoid the top 10 heat exchanger ‘mistakes’
With 40 years’ experience as a company, our engineers and sales staff have encountered a wide range of issues on sites. Here are ten of the most common mistakes that can occur as a result of poorly-specified or badly-installed heat exchanger systems – and how you can avoid ...
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Multiple uses for heat exchangers in brewing
There are numerous uses for heat exchangers in breweries, from cooling, pasteurising and fermenting products, through to efficiently dealing with waste streams such as yeast slurry. Compared to other methods of heating, heat exchangers can be much more energy efficient, providing both environmental and economic benefits. One of the first uses of heat exchangers in brewing is for rapidly cooling ...
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Los Angeles County Sanitation Districts: Siloxane Removal
Los Angeles County Sanitation Districts have long been involved with recovering landfill and digester gas for energy to power turbines and internal combustion engines. Their experience led them to identify performance issues associated with these gases. One particular challenge is siloxanes. Cyclic organic silicon monomers (siloxanes) used in the manufacture of personal hygiene, health care and ...
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The Engineering Behind Shell and Tube Heat Exchangers and Their Benefits
Shell and tube heat exchangers are used for the flow of in-line heating and cooling. The innovative design allows the movement of fluids through the tubes and exterior shell delivering changeability. The movement of fluid can be run in a counterflow, cross flow, or parallel mode. The flow of the fluids can not be reversed, so the development of dirty pockets is then eliminated during the ...
By Fluorostore
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And now for some good economic news: EE workers needed
With energy demand high and supply tight, the only thing in abundance these days is uncertainty. So says a recent Standard & Poor’s report: “The Credit Impact of Rising Energy Costs on Industry Sectors.”“Whether energy production can keep up with demand growth is a major question,” says the credit rating agency. “Where the energy will go is easy to estimate. The harder question is where will ...
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Improving Output and Quality with Better Maintenance
In the competitive industrial industrial landscape, companies are always striving to increase the quality and output of their products. As a result much attention is often given to refining processes, upgrading equipment, or improving management and planning. While these are certainly all effective, important factors to consider, another invaluable tool for increasing output and quality is better ...
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Efficient steam production in paper mills
The paper and pulp industry is an energy and emission intensive industry. Steam is an essential part of the paper making process with steam boilers, steam distribution systems and other processes accounting for a large percentage of a paper mill’s energy costs. Useful energy is often lost from boilers and process equipment such as heat exchangers, dryers, evaporators etc, as well as from ...
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Steam Turbine Rotor Transient Thermo-Structural Analysis and Lifetime Prediction
Market requirements for faster and more frequent power unit start-up events result in a much faster deterioration of equipment, and a shorter equipment lifespan. Significant heat exchange occurs between steam and turbine rotors during the start-up process and even more intensive heat exchange takes place during the condensation phase in cold start-up mode, which leads to further thermal stresses ...
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